132 lines
2.3 KiB
JavaScript
132 lines
2.3 KiB
JavaScript
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/*!
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* Connect - session - MemoryStore
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* Copyright(c) 2010 Sencha Inc.
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* Copyright(c) 2011 TJ Holowaychuk
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* MIT Licensed
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*/
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/**
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* Module dependencies.
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*/
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var Store = require('./store')
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, utils = require('../../utils')
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, Session = require('./session');
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/**
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* Initialize a new `MemoryStore`.
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*
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* @api public
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*/
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var MemoryStore = module.exports = function MemoryStore() {
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this.sessions = {};
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};
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/**
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* Inherit from `Store.prototype`.
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*/
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MemoryStore.prototype.__proto__ = Store.prototype;
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/**
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* Attempt to fetch session by the given `sid`.
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*
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* @param {String} sid
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* @param {Function} fn
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* @api public
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*/
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MemoryStore.prototype.get = function(sid, fn){
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var self = this;
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process.nextTick(function(){
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var expires
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, sess = self.sessions[sid];
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if (sess) {
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sess = JSON.parse(sess);
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expires = 'string' == typeof sess.cookie.expires
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? new Date(sess.cookie.expires)
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: sess.cookie.expires;
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if (!expires || new Date < expires) {
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fn(null, sess);
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} else {
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self.destroy(sid, fn);
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}
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} else {
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fn();
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}
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});
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};
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/**
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* Commit the given `sess` object associated with the given `sid`.
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*
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* @param {String} sid
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* @param {Session} sess
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* @param {Function} fn
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* @api public
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*/
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MemoryStore.prototype.set = function(sid, sess, fn){
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var self = this;
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process.nextTick(function(){
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self.sessions[sid] = JSON.stringify(sess);
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fn && fn();
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});
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};
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/**
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* Destroy the session associated with the given `sid`.
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*
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* @param {String} sid
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* @api public
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*/
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MemoryStore.prototype.destroy = function(sid, fn){
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var self = this;
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process.nextTick(function(){
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delete self.sessions[sid];
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fn && fn();
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});
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};
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/**
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* Invoke the given callback `fn` with all active sessions.
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*
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* @param {Function} fn
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* @api public
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*/
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MemoryStore.prototype.all = function(fn){
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var arr = []
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, keys = Object.keys(this.sessions);
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for (var i = 0, len = keys.length; i < len; ++i) {
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arr.push(this.sessions[keys[i]]);
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}
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fn(null, arr);
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};
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/**
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* Clear all sessions.
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*
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* @param {Function} fn
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* @api public
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*/
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MemoryStore.prototype.clear = function(fn){
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this.sessions = {};
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fn && fn();
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};
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/**
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* Fetch number of sessions.
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*
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* @param {Function} fn
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* @api public
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*/
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MemoryStore.prototype.length = function(fn){
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fn(null, Object.keys(this.sessions).length);
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};
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